﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NcfDB.parsing
{
    public enum WORD_TYPE_ENUM
    {
        IDENTIFIER,       //标识符
        LEFT_PARENTHESIS, //左括号
        RIGHT_PARENTHESIS,//右括号
        INVALID_WORD,     //未知符号
        NUMBER,           //数字
        PROCEDURE,
        END,
        COMMA,
        SEMICOLON,
        PERIOD,
        PLUS,
        MINUS,
        MULTIPLY,
        DIVIDE,
        ODD,
        EQL,
        NEQ,
        LES,
        LEQ,
        GTR,
        GEQ,
        ASSIGN,
        SELECT,
        DELETE,  //删除
        UPDATE,
        FROM,
        DROP,
        OR,
        WHERE,
        INSERT,
        STRING,
        VALUE,
        STAR,
        AND,
        FIELD_TYPE,
        BOOL,
        KEY_FLAG,
        NULL_FLAG,
        CREATE,
        TABLE,
        VALUES,
        DATABASE,
        INTO,
        EDIT,
        RENAME,
        SET,
        LIKE,
        BETWEEN
        
    }
}
